To take advantage of enum support and other features added to Entity Framework in the Microsoft .NET Framework 4.5, you need the compatible version of EntityFramework.dll, EF 5. Julie Lerman helps to ease the migration.VB version

There are plenty of resources describing the complex mathematics behind finding logistic regression beta parameters using Newton-Raphson, yet few implementation guides. James McCaffrey explains how logistic regression with Newton-Raphson works, and how to implement a solution in C#.VB version